Home / 494,183-741,292.32-139,228.04

Finding the Fourth Proportional to 494,183, 741,292.32 and 139,228.04

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Solution

The fourth proportional to 494,183, 741,292.32 and 139,228.04 is: 208,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,183 : 741,292.32 = 139,228.04 : x
  2. Step 2: Convert to fraction form
    494,183/741,292.32 = 139,228.04/x
  3. Step 3: Cross multiply
    494,183x = 741,292.32 × 139,228.04
  4. Step 4: Simplify right side
    494,183x = 103,208,676,780.65
  5. Step 5: Solve for x
    x = 103,208,676,780.65/494,183
  6. Step 6: Final answer
    x = 208,847.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.